Blog

9 articles

Technical deep-dives on AI pipelines, WhatsApp automation, and the architecture behind WhatsRB Cloud.

Your Error Rate Is Zero. Your AI Pipeline Is Broken.
architectureaiobservability

Your Error Rate Is Zero. Your AI Pipeline Is Broken.

Traditional monitoring misses the most dangerous AI failures. Here are the four metrics that actually matter — and the one most teams never track.

May 5, 2026·8 min read
Unit Tests Don't Work on AI. Here's What We Do Instead.
architectureaitesting

Unit Tests Don't Work on AI. Here's What We Do Instead.

You can't assert on LLM outputs the way you assert on functions. Here's how to build an eval suite that catches regressions, tracks accuracy over time, and costs less than a coffee.

Apr 28, 2026·7 min read
You Don't Need a Vector Database for AI Conversation Context
architectureaipatterns

You Don't Need a Vector Database for AI Conversation Context

Most AI context solutions are overengineered. For short-lived conversations, a one-line summary and a TTL is all you need. Here's the pattern.

Apr 21, 2026·7 min read
Your AI Agent Doesn't Need Permission to Act — It Needs a Whitelist
architectureaipatterns

Your AI Agent Doesn't Need Permission to Act — It Needs a Whitelist

Free-form AI agents invent actions your backend can't handle. The fix: a strict allow-list injected into the LLM's tool schema. Here's the pattern.

Apr 14, 2026·6 min read
The Human Takeover Pattern: When Your AI Agent Should Shut Up
architectureaipatterns

The Human Takeover Pattern: When Your AI Agent Should Shut Up

Three triggers, automatic expiration, cached hot-path checks — the complete pattern for AI-to-human handoff in messaging systems.

Apr 7, 2026·6 min read
The Simplest AI Fallback Pattern You're Not Using
architectureairesilience

The Simplest AI Fallback Pattern You're Not Using

Your AI provider will go down. The fix is dead simple: an adapter pattern with automatic fallback to a different provider.

Mar 25, 2026·6 min read
Designing Deterministic Outputs From Unstructured Messages
aiarchitecturewhatsapp

Designing Deterministic Outputs From Unstructured Messages

Your users send messy text. Your backend expects clean JSON. Here's how to bridge that gap reliably with a single LLM call.

Mar 17, 2026·4 min read
How We Route WhatsApp Messages to N Agents With a Single LLM Call
architectureaiwhatsapp

How We Route WhatsApp Messages to N Agents With a Single LLM Call

Most teams run every message through every agent. We built a pipeline that filters 65% of noise for free and routes with a single LLM call.

Mar 16, 2026·7 min read
Stop Building Chatbots. Start Building Message-Driven Systems.
architecturewhatsappai

Stop Building Chatbots. Start Building Message-Driven Systems.

Most teams building on WhatsApp are building chatbots. But most of them don't actually need a chatbot — they need a system that turns incoming messages into backend actions.

Mar 3, 2026·4 min read